wip: fix(dsl): maybe getting somewhere?

output/src/ops/collect.rs

@@ -1,23 +0,0 @@
-//! Groupings of elements.
-use crate::*;
-
-/// A function or closure that emits renderables.
-pub trait Collector<E: Engine>: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)) {}
-
-/// Any function or closure that emits renderables for the given engine matches [CollectCallback].
-impl<E, F> Collector<E> for F
-where E: Engine, F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)) {}
-
-pub trait Render<E: Engine> {
-    fn area (&self, to: E::Area) -> E::Area;
-    fn render (&self, to: &mut E::Output);
-}
-
-impl<E: Engine, C: Content<E>> Render<E> for C {
-    fn area (&self, to: E::Area) -> E::Area {
-        Content::area(self, to)
-    }
-    fn render (&self, to: &mut E::Output) {
-        Content::render(self, to)
-    }
-}